Home / 4,188,780.60-6,286,281.30-1,666,246.20

Finding the Fourth Proportional to 4,188,780.60, 6,286,281.30 and 1,666,246.20

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Solution

The fourth proportional to 4,188,780.60, 6,286,281.30 and 1,666,246.20 is: 2,500,606.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188,780.60 : 6,286,281.30 = 1,666,246.20 : x
  2. Step 2: Convert to fraction form
    4,188,780.60/6,286,281.30 = 1,666,246.20/x
  3. Step 3: Cross multiply
    4,188,780.60x = 6,286,281.30 × 1,666,246.20
  4. Step 4: Simplify right side
    4,188,780.60x = 10,474,492,328,256.06
  5. Step 5: Solve for x
    x = 10,474,492,328,256.06/4,188,780.60
  6. Step 6: Final answer
    x = 2,500,606.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.